raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:109

Bannayan-Riley-Ruvalcaba syndrome

Synonyms: BRRS · Myhre-Riley-Smith syndrome

Type
Clinical subtype
Group
Subtype of disorder
Inheritance
Autosomal dominant
Age of onset
Infancy, Neonatal
Status
active

A rare developmental defect during embryogenesis characterized by hamartomatous intestinal polyposis, lipomas, macrocephaly and genital lentiginosis.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enBannayan-Riley-Ruvalcaba syndromeBRRS · Myhre-Riley-Smith syndrome
frSyndrome de Bannayan-Riley-RuvalcabaBRRS · Syndrome de Myhre-Rikey-Smith
deBannayan-Riley-Ruvalcaba-SyndromBRRS · Myhre-Riley-Smith-Syndrom
esSíndrome de Bannayan-Riley-RuvalcabaBRRS · Síndrome de Myhre-Riley-Smith
itSindrome di Bannayan-Riley-RuvalcabaBRRS · Sindrome di Myhre-Riley-Smith
nlSyndroom van Bannayan-Riley-RuvalcabaBRRS · Syndroom van Myhre-Riley-Smith
ptSíndrome Bannayan-Riley-RuvalcabaSíndrome Myhre-Riley-Smith
plZespół Bannayana, Riley'a i RuvalcabaBRRS · Zespół de Myhre, Rikey'a i Smitha · Zespół Myhre, Riley'a i Smitha
csBannayanův-Rileyův-Ruvalcabaův syndromBRRS · Myhreho-Rileyův-Smithův syndrom · Bannayan-Riley-Ruvalcabaův syndrom · Myhre-Riley-Smithův syndrom
ukСиндром Баннаяна-Райлі-РувалькабаBRRS · Синдром Міхре-Рейлі-Сміта
zhBannayan-Riley-Ruvalcaba综合征Myhre-Riley-Smith综合征
trBannayan-Riley-Ruvalcaba sendromuBRRS · Myhre-Riley-Smith sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM158350NTBTvalidated
ICD-10Q87.8NTBTattributedvalidated
ICD-11LD2D.YNTBTindexvalidated
MONDO0007924Evalidated
UMLSC0265326Evalidated
GARD5887Evalidated
MedDRA10080314Evalidated

E exact · NTBT this ORPHAcode is narrower than the target · BTNT broader than the target · ND not decided.

3

Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (6):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
PTENDisease-causing germline mutation(s) inAssessedHGNC:9588ENSG0000017186260172810q23.31phosphatase and tensin homolog20301661[PMID]
5

Prevalence and incidence

1 record
TypeClassValueAreaQualificationValidationSource
Point prevalenceUnknown—WorldwideClass onlyNot yet validatedORPHANET

Value is Orphadata's ValMoy: the mean estimate per 100 000 for prevalence and incidence, the number of cases or families for case reports.

6

HPO phenotypes

55 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0002250Abnormal large intestine morphology
HP:0100026Arteriovenous malformation
HP:0005306Capillary hemangioma
HP:0004390Hamartomatous polyposis
HP:0200008Intestinal polyposis
HP:0007400Irregular hyperpigmentation
HP:0012032Lipoma
HP:0000256Macrocephaly
HP:0100013Neoplasm of the breast
HP:0003764Nevus
HP:0004322Short stature
HP:0100761Visceral angiomatosis
Frequent (79-30%)
HP:0000767Pectus excavatum
HP:0002650Scoliosis
HP:0001933Subcutaneous hemorrhage
HP:0001482Subcutaneous nodule
Occasional (29-5%)
HP:0009023Abdominal wall muscle weakness
HP:0000587Abnormal optic nerve morphology
HP:0002167Abnormality of speech or vocalization
HP:0001681Angina pectoris
HP:0000463Anteverted nares
HP:0004942Aortic aneurysm
HP:0011304Broad thumb
HP:0004326Cachexia
HP:0000965Cutis marmorata
HP:0002194Delayed gross motor development
HP:0002750Delayed skeletal maturation
HP:0000268Dolichocephaly
HP:0002007Frontal bossing
HP:0000872Hashimoto thyroiditis
HP:0001943Hypoglycemia
HP:0001252Hypotonia
HP:0001249Intellectual disability
HP:0002170Intracranial hemorrhage
HP:0001382Joint hypermobility
HP:0000343Long philtrum
HP:0001004Lymphedema
HP:0002665Lymphoma
HP:0000400Macrotia
HP:0002858Meningioma
HP:0000347Micrognathia
HP:0007565Multiple cafe-au-lait spots
HP:0001324Muscle weakness
HP:0003198Myopathy
HP:0000189Narrow palate
HP:0002664Neoplasm
HP:0100641Neoplasm of the adrenal cortex
HP:0001250Seizure
HP:0003196Short nose
HP:0003202Skeletal muscle atrophy
HP:0000098Tall stature
HP:0001009Telangiectasia
HP:0002890Thyroid carcinoma
HP:0010784Uterine neoplasm
HP:0000445Wide nose

Run the differential on the 12 obligate / very frequent terms

7

Sources for this card